One of the most common subjects that readers post through our suggestion form is planes – whether in flight, parked at airports, or in pieces at crash sites. Here is a collection of some of the more interesting finds from the past few years. First up, the curious sight of a Concorde at a remote edge of Heathrow Airport. Reader Dave Schubert identifies the plane as being in an engine test stand. According to Google Earth’s historical imagery feature this image was taken on the 27th of June 2010, which is interesting as Concorde was retired in 2003…